Stuffing-box.



D. L. HEETER.

STUFFING BOX; APPLmATIpN FILED 11113.18, 190s.

Patented Dec. 8, 1908.-

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DELBERT L. HEETER, OF PITTSBURG, PENNSYLVANIA.

STUFFING-BOX.

Patented Dec. 8, 1908.

Application filed March 18, 1908. Serial No. 421,904. 7

To all whom it may concern:

Be it known that I, DELBERT L. HEETER, a citizen of the United States, resident of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Stuffing-Boxes; and I do hereby declare the following to be a full, clear, and exact description thereof.

My invention relates to an improvement in a stufling-box for use in connection with practically all machinery wherein stuffingboxes are used, and particularly in connection with oil well pumping mechanism, as shown and described herein.

The purpose of my invention is to provide a construction that is advantageously convenient for the work of packing the stuffingbox. Also, that the stufling may be utilized to exercise a lateral tension on the packing so as to take up any looseness between the packing and the piston or rod. And a further purpose of my invention is to provide a means whereby the packing in the stuffing-box will encounter the same smooth surface from the action of the piston or rod regardless of any re-adjustment of the latter. And furthermore to provide a structure that may be connected or disconnected from a mechanism practically as a unit.

In the accompanying drawings, Figure 1 is an elevation, in section, showing my invention attached to an oil well apparatus. Fig. 2 is a sectional plan View on lines 22 of Fig. 1. Fig. 3 is a similar View on lines 33 of Fig. 1 without the pump-rod.

The reference numerals in the following specification refer to like reference numerals in the drawings, in which a stuffingbox formed of sections 1 hinged together at 2 and having a lug 3 on which the swinging bolt 4 carrying the thumb-screw 5 is pivotally connected and adapted to be swung into the slot 6 in the lug 7 when the sections 1 are in close position. Within the stuffingbox 1 are annular recesses 8 and 9, respectively, adapted to receive the packing 9 and 10, and lengthwise of the sections 1 are suitable grooves adapted to retain a flexible aackin 11 which will enp'a 'e the vacant 1 b 3 23 grooves 12 when the sections are in close relation, (Figs. 2 and 3) in which position shoulders 13 are adapted to abut the coupling 14 on an oil well tubing 15 to retain the section 1 from moving with the action of the pump-rod. A sleeve 16, and having packing at 16 is fitted within the stuffingbox and around thepump-rod 17 to which it is operatively securedby set screw 18.

WVith the device constructed as shown, the sections may be positioned around the sleeve 16 so as to engage the .coupling 14. The swinging bolt A is then swung into the slot 6, and the thumb-screw 5 being operated against the lug 7 to draw the sections 1 together and thereby press the packing 9 against the sleeve 16, the packing 11 being drawn into the vacant grooves 12, and the packing 10 effecting an air-tight closure around the coupling. During the operation of the pump-rod the sleeve 16 is positioned as a substitute for the rod against the packing 9 in the stufling-box, the advantage peculiar to the sleeve 16 being that when a re-adjustment of a pump-rod is necessary, and which ordinarily would entail operating within the stufiing-box a part of the rod that had been exposedto the weather and to oil well conditions, and had become so impaired thereby as to be unsatisfactory and destructive to operate through a stuffing-box, and costly to replace, such readjustment of the rod may be made conveniently and without incurring any loss, by simply re-adjusting the sleeve 16 by means of the set screw 18.

WVhile I have shown my invention in connection with an oil well apparatus it will be apparent that it is equally useful in connecting other machinery wherein piston rods are employed.

WVhat I claim as my invention and desire to secure by Letters Patent is:

1. A sectional stufiing-box, a sleeve mounted on a rod, and means adapted to hold the stuffing-box in fixed position around the sleeve, and means for operating the sections of the stuiiing box to vary the compression of the packing therein against the sleeve. 7

2. A sectional stuffing-box, a yielding member between the sections thereof, a sleeve mounted on a rod, means for holding the stufling-box in fixed position against the movement of the rod, and means for operating the sections of the stufing box and thereby exercising pressure to force packing against the sleeve.

3. A sectional stufling-box, flexible packing between the sections thereof, a sleeve mounted on a rod, and means for adjusting the sleeve thereon, means adapted to variably actuate the sections of the stufling-box to force packing against said sleeve, and

means for holding the stuffing-box in fixed position against the movement of the rod.

4. A sectional stuffing box, flexible packing between the sections thereof, a sleeve mounted on a rod, means operatively connected to one section of the stufling box and adapted to hold saidsections in close-relation and for regulating the closeness of the stuffing box sections to each other and the compactness of the packing in the stuffing box against the sleeve.

5. A stufiing box formed in sections operatively hinged together, flexible packing between the sections thereof, a sleeve mounted on a rod and means for adjusting the sleeve thereon, a swinging bolt operatively connected to one section of the stufling box, a thumb screw carried by said swinging bolt and adapted to be operated to and from a l lug on the corresponding section of the stuffing box to thereby effect the compression of the packing in the stuffing box against the sleeve.

In testimony whereof, I the said DELBERT L. HEETER have hereunto set my hand.

DELBERT L. HEETER.

Witnesses:

J. L. TREFALLER, J12, E. A. POWER. 

